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Abstract

A pluggable print head for an electroerosion printer can be fabricated by forming a pair of planar multielectrode devices, mounting the devices on opposite sides of a supporting insulator, and severing the ends of the devices into separate electrodes.

Country

United States

Language

English (United States)

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Multielement Print Head

A pluggable print head for an electroerosion printer can be fabricated by
forming a pair of planar multielectrode devices, mounting the devices on opposite
sides of a supporting insulator, and severing the ends of the devices into
separate electrodes.

Referring to Fig. 1, a six-electrode device 1 is formed by stamping or etching
to have substantially parallel electrodes 2 joined at writing ends 3 and connection
ends 4. A second device (not shown), having five electrodes, is formed by the
same technique. These two devices are vertically displaced with respect to each
other so that the ends of the electrodes are intermeshed and then cemented to
opposite sides of insulator sheet 5, as seen in Fig. 2. The exposed writing ends
of the electrodes 2 and insulator sheet 5 can be coated with glass 8 to provide a
wear surface. Electrode ends 3 and 4 are thereafter cut off, leaving two layers of
individual electrodes. The assembled electrodes and insulator plate are then
encapsulated with support guides 6 in a suitable mold to form a pluggable head 7.